Dunigan Bros.

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Dunigan Bros. Third-generation, family-owned civil contractor. Tunneling, boring, water & wastewater since 1945.

Final installation of the last few tunnel sections on our Lenawee County M-52 pedestrian tunnel today. Over the next mon...
10/15/2026

Final installation of the last few tunnel sections on our Lenawee County M-52 pedestrian tunnel today. Over the next month cast in place walls will be completed and final restoration of the project will take place.

Excited to see our new branding hitting its first project this week as the first excavator with our new logos heads out ...
07/22/2026

Excited to see our new branding hitting its first project this week as the first excavator with our new logos heads out of the shop.

Setting a 12’ ID wet well 50’ deep in Pittsfield Township, MI this week. Not only is this pump station deep, it’s on a v...
07/17/2026

Setting a 12’ ID wet well 50’ deep in Pittsfield Township, MI this week. Not only is this pump station deep, it’s on a very compact site, and it’s in very wet ground. Making this installation go smoothly required a lot of pre planning, specialized shorting, and proper ground water management. Great job by our project staff and our subcontractors who all made this complex milestone look easy.

Almost to the bottom of our 50’ deep shaft in Pittsfield Township, MI on our Michigan Ave lift station project.
07/09/2026

Almost to the bottom of our 50’ deep shaft in Pittsfield Township, MI on our Michigan Ave lift station project.

07/08/2026

Along with our new brand, the Dunigan Bros. website has a fresh new look and we could not be more proud of what it represents.

www.duniganbros.com

07/07/2026

New brand. Same family. Same commitment to the work. Dunigan Bros. is evolving and we could not be more proud of what is ahead.

Eighty years ago, three brothers picked up a shovel and built something from nothing. They passed it to the next generat...
07/06/2026

Eighty years ago, three brothers picked up a shovel and built something from nothing. They passed it to the next generation, and the next, each one carrying it forward with the same pride and purpose it was built on. Through hard winters, demanding projects, and every moment this industry tested what they were made of, the Dunigan family showed up.

That is who Dunigan Bros. is. That is who it has always been. Today Dunigan Bros. is proud to introduce a new brand that honors everything built before it and looks boldly toward what comes next.

The legacy is intact. The best is still ahead.

Pushing hard into the holiday weekend installing some 60” RCP on our East Lansing Rivers Edge Sewer District project. Th...
07/02/2026

Pushing hard into the holiday weekend installing some 60” RCP on our East Lansing Rivers Edge Sewer District project. This phase of the job includes an 8 week full closure of M-43. our crews are shown here preparing the excavation to install shoring and pre fabricated RCP bends in M-43, where they are almost a full week ahead of schedule on our closure deadline.

First full pit install with our custom boxes, arches, end panels with tunneling cutouts, and plate holders.
04/01/2026

First full pit install with our custom boxes, arches, end panels with tunneling cutouts, and plate holders.

Address

911 East South Street
Jackson, MI
49203

Telephone

+15177874720

Website

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